package com.xcjw.com.Utils;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PorterDuff.Mode;
import android.graphics.PorterDuffXfermode;
import android.graphics.Rect;
import android.net.Uri;
import android.os.Environment;
import android.provider.MediaStore;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;


/**

 */
public class ImageUtils {
    private final int PHOTO_REQUEST_TAKEPHOTO = 1;// 拍照
    private final int PHOTO_REQUEST_GALLERY = 2;// 从相册中选择
    private final int PHOTO_REQUEST_CUT = 3;// 结果
    private Bitmap bitmap;
    private String photoFileName;
    private final String IMAGE_FILE_LOCATION = Environment.getExternalStorageDirectory() + "/image.jpg";
    private Uri imageUri = Uri.fromFile(new File(IMAGE_FILE_LOCATION));
    private Uri uri;


    /**
     * 使用系统当前日期加以调整作为照片的名称
     */
    public String getPhotoFileName() {
        Date date = new Date(System.currentTimeMillis());
        SimpleDateFormat dateFormat = new SimpleDateFormat(
                "'IMG'_yyyyMMdd_HHmmss");
        return dateFormat.format(date) + ".jpg";
    }

    /**
     * 剪裁图片
     */
    public void startPhotoZoom(Uri uri, Activity activity, int x, int y) {
        Intent intent = new Intent("com.android.camera.action.CROP");
        if (uri == null) {
            uri = this.uri;
        }
        intent.setDataAndType(uri, "image/*");
        // crop为true是设置在开启的intent中设置显示的view可以剪裁
        intent.putExtra("crop", "true");
        // aspectX aspectY 是宽高的比例
        intent.putExtra("aspectX", x);
        intent.putExtra("aspectY", y);

        // outputX,outputY 是剪裁图片的宽高
//        intent.putExtra("outputX", 200);
//        intent.putExtra("outputY", 200);
        intent.putExtra("return-data", false);
        intent.putExtra(MediaStore.EXTRA_OUTPUT, imageUri);
        intent.putExtra("outputFormat", Bitmap.CompressFormat.JPEG.toString());
        intent.putExtra("noFaceDetection", true);
        activity.startActivityForResult(intent, PHOTO_REQUEST_CUT);
    }



    public static String savePhoto(Bitmap photoBitmap, String path,
                                   String photoName) {
        String localPath = null;
        if (Environment.getExternalStorageState().equals(
                  Environment.MEDIA_MOUNTED)) {
            File dir = new File(path);
            if (!dir.exists()) {
                dir.mkdirs();
            }

            File photoFile = new File(path, photoName + ".png");
            FileOutputStream fileOutputStream = null;
            try {
                fileOutputStream = new FileOutputStream(photoFile);
                if (photoBitmap != null) {
                    if (photoBitmap.compress(Bitmap.CompressFormat.PNG, 80,
                              fileOutputStream)) { // ×ª»»Íê³É
                        localPath = photoFile.getPath();
                        fileOutputStream.flush();
                    }
                }
            } catch (FileNotFoundException e) {
                photoFile.delete();
                localPath = null;
                e.printStackTrace();
            } catch (IOException e) {
                photoFile.delete();
                localPath = null;
                e.printStackTrace();
            } finally {
                try {
                    if (fileOutputStream != null) {
                        fileOutputStream.close();
                        fileOutputStream = null;
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return localPath;
    }



    /**
     * 转换图片成圆形
     *
     * @param bitmap 传入Bitmap对象
     * @return
     */
    public Bitmap toRoundBitmap(Bitmap bitmap,Uri tempUri) {
        int width = bitmap.getWidth();
        int height = bitmap.getHeight();
        float roundPx;
        float left, top, right, bottom, dst_left, dst_top, dst_right, dst_bottom;
        if (width <= height) {
            roundPx = width / 2;
            left = 0;
            top = 0;
            right = width;
            bottom = width;
            height = width;
            dst_left = 0;
            dst_top = 0;
            dst_right = width;
            dst_bottom = width;
        } else {
            roundPx = height / 2;
            float clip = (width - height) / 2;
            left = clip;
            right = width - clip;
            top = 0;
            bottom = height;
            width = height;
            dst_left = 0;
            dst_top = 0;
            dst_right = height;
            dst_bottom = height;
        }

        Bitmap output = Bitmap.createBitmap(width, height, Config.RGB_565);
        Canvas canvas = new Canvas(output);

        final int color = 0xff424242;
        final Paint paint = new Paint();
        final Rect src = new Rect((int) left, (int) top, (int) right,
                (int) bottom);
        final Rect dst = new Rect((int) dst_left, (int) dst_top,
                (int) dst_right, (int) dst_bottom);

        paint.setAntiAlias(true);// 设置画笔无锯齿

        canvas.drawARGB(0, 0, 0, 0); // 填充整个Canvas
        paint.setColor(color);

        // 以下有两种方法画圆,drawRounRect和drawCircle
        // canvas.drawRoundRect(rectF, roundPx, roundPx, paint);//
        // 画圆角矩形，第一个参数为图形显示区域，第二个参数和第三个参数分别是水平圆角半径和垂直圆角半径。
        canvas.drawCircle(roundPx, roundPx, roundPx, paint);

        paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));// 设置两张图片相交时的模式,参考http://trylovecatch.iteye.com/blog/1189452
        canvas.drawBitmap(bitmap, src, dst, paint); // 以Mode.SRC_IN模式合并bitmap和已经draw了的Circle

        return output;
    }

    public static boolean saveImageToGallery(Context context, Bitmap bmp) {
        // 首先保存图片
        String storePath = Environment.getExternalStorageDirectory().getAbsolutePath() + File.separator + "dearxy";
        File appDir = new File(storePath);
        if (!appDir.exists()) {
            appDir.mkdir();
        }
        String fileName = System.currentTimeMillis() + ".jpg";
        File file = new File(appDir, fileName);
        try {
            FileOutputStream fos = new FileOutputStream(file);
            //通过io流的方式来压缩保存图片
            boolean isSuccess = bmp.compress(Bitmap.CompressFormat.JPEG, 60, fos);
            fos.flush();
            fos.close();

            //把文件插入到系统图库
            //MediaStore.Images.Media.insertImage(context.getContentResolver(), file.getAbsolutePath(), fileName, null);

            //保存图片后发送广播通知更新数据库
            Uri uri = Uri.fromFile(file);
            context.sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, uri));
            if (isSuccess) {
                return true;
            } else {
                return false;
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        return false;
    }






}
